package controller

import (
	"github.com/gin-gonic/gin"
	"hepa-calc-api/api/dao"
	"hepa-calc-api/api/dto"
	"hepa-calc-api/api/requests"
	"hepa-calc-api/api/responses"
	"hepa-calc-api/api/service"
	"hepa-calc-api/global"
	"hepa-calc-api/utils"
	"strconv"
)

type Question struct{}

// GetQuestionPage 获取问题列表-分页
func (b *Question) GetQuestionPage(c *gin.Context) {
	questionRequest := requests.QuestionRequest{}
	req := questionRequest.GetQuestionPage
	if err := c.ShouldBindJSON(&req); err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 参数验证
	if err := global.Validate.Struct(req); err != nil {
		responses.FailWithMessage(utils.Translate(err), c)
		return
	}

	if req.Page == 0 {
		req.Page = 1
	}

	if req.PageSize == 0 {
		req.PageSize = 20
	}

	// 获取数据
	questionDao := dao.QuestionDao{}
	question, total, err := questionDao.GetQuestionPageSearch(req, req.Page, req.PageSize)
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetQuestionPageListDto(question)

	result := make(map[string]interface{})
	result["page"] = req.Page
	result["page_size"] = req.PageSize
	result["total"] = total
	result["data"] = g
	responses.OkWithData(result, c)
}

// GetQuestionHot 获取问题列表-热榜
func (b *Question) GetQuestionHot(c *gin.Context) {
	// 获取数据
	questionService := service.QuestionService{}

	// 获取算一算热榜-人气数最高的9个
	hotQuestions, err := questionService.GetHotList()
	if err != nil {
		responses.FailWithMessage(err.Error(), c)
		return
	}

	// 处理返回值
	g := dto.GetHotQuestionListDto(hotQuestions)

	responses.OkWithData(g, c)
}

// GetQuestion 获取问题详情
func (r *Question) GetQuestion(c *gin.Context) {
	userId := c.GetInt64("UserId")

	id := c.Param("question_id")
	if id == "" {
		responses.FailWithMessage("缺少参数", c)
		return
	}

	// 将 id 转换为 int64 类型
	questionId, err := strconv.ParseInt(id, 10, 64)
	if err != nil {
		responses.Fail(c)
		return
	}

	// 获取数据
	questionDao := dao.QuestionDao{}
	question, err := questionDao.GetQuestionById(questionId)
	if err != nil {
		responses.FailWithMessage("题目错误", c)
		return
	}

	// 检测问题是否被用户收藏
	userCollectionService := service.UserCollectionService{}
	IsCollection := userCollectionService.CheckUserCollectionQuestion(userId, questionId)

	// 获取用户首次购买价格
	questionService := service.QuestionService{}
	firstTimePrice, err := questionService.GetUserFirstTimeBuyPrice(userId, questionId)
	if err != nil {
		responses.FailWithMessage("题目错误", c)
		return
	}

	// 获取问题被购买数量
	buyCount, err := questionService.GetQuestionBuyCount(userId, questionId)

	g := dto.GetQuestionDto(question)

	// 加载数据-是否收藏
	g.LoadIsCollection(IsCollection)

	// 加载数据-首次购买价格
	g.LoadFirstTimePrice(firstTimePrice)

	// 加载数据-问题被购买数量
	g.LoadBuyCount(buyCount)

	responses.OkWithData(g, c)
}